EP 3629966 A4 20210303 - SYSTEM AND METHOD TO PROTECT AGAINST INSULATION BREACH IN AN ELECTROSURGICAL INSTRUMENT
Title (en)
SYSTEM AND METHOD TO PROTECT AGAINST INSULATION BREACH IN AN ELECTROSURGICAL INSTRUMENT
Title (de)
SYSTEM UND VERFAHREN ZUM SCHUTZ GEGEN ISOLIERUNGSBRUCH IN EINEM ELEKTROCHIRURGISCHEN INSTRUMENT
Title (fr)
SYSTÈME ET MÉTHODE DE PROTECTION CONTRE UNE BRÈCHE D'ISOLATION DANS UN INSTRUMENT ÉLECTROCHIRURGICAL
Publication
Application
Priority
- US 201762513282 P 20170531
- US 2018035436 W 20180531
Abstract (en)
[origin: WO2018222899A1] An apparatus is provided to detect electrical contact between anatomical tissue and a shield conductor: a transformer; an alternating current (AC) reference frequency signal generator to inject a reference frequency signal to a primary winding of the transformer; a reactive impedance coupled in parallel with a secondary winding of the transformer between a first node and a second node; and a phase match detector circuit to detect a phase match between the reference frequency signal and a reflected reference frequency signal that is reflected from the secondary winding to the primary winding.
IPC 8 full level
A61B 18/12 (2006.01); A61B 18/00 (2006.01)
CPC (source: EP KR US)
A61B 18/1233 (2013.01 - EP KR US); A61B 18/14 (2013.01 - EP); A61B 18/16 (2013.01 - EP US); A61B 2018/00077 (2013.01 - US); A61B 2018/00083 (2013.01 - KR US); A61B 2018/00107 (2013.01 - KR); A61B 2018/00577 (2013.01 - EP); A61B 2018/00601 (2013.01 - EP); A61B 2018/00827 (2013.01 - EP); A61B 2018/00845 (2013.01 - US); A61B 2018/00869 (2013.01 - EP US); A61B 2018/00875 (2013.01 - EP KR US); A61B 2018/00892 (2013.01 - US); A61B 2018/00904 (2013.01 - US); A61B 2018/0094 (2013.01 - KR); A61B 2018/1253 (2013.01 - EP); A61B 2018/1286 (2013.01 - KR US); A61B 2018/1422 (2013.01 - EP); A61B 2018/1425 (2013.01 - EP); A61B 2018/1432 (2013.01 - EP); A61B 2018/167 (2013.01 - US)
Citation (search report)
- [A] US 2009234353 A1 20090917 - MCPHERSON JAMES W [US]
- [A] US 2015359584 A1 20151217 - NEWTON DAVID [US]
- See also references of WO 2018222899A1
Designated contracting state (EPC)
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
DOCDB simple family (publication)
WO 2018222899 A1 20181206; CN 110573103 A 20191213; CN 110573103 B 20230103; EP 3629966 A1 20200408; EP 3629966 A4 20210303; KR 102330669 B1 20211124; KR 20190125523 A 20191106; US 11701165 B2 20230718; US 2021145504 A1 20210520
DOCDB simple family (application)
US 2018035436 W 20180531; CN 201880028535 A 20180531; EP 18809136 A 20180531; KR 20197031891 A 20180531; US 201816616711 A 20180531